Add a DEPRECATED trait, mark Cool.bytes as DEPRECATED.
Doesn't do anything just yet; but provides a small framework that
we can build upon in the future.
anonymous subset types with "subset :: where ...;"
Add fix for Str.perl to be more robust when ICU isn't present (RT #113886).
Translate GLOBAL installation (still something vm-specific for now).
Some QAST translation of setting loading; still will need some generalizing by VM.
Update loadlibs handling to QAST::VM approach.
Disable optimizer for now; will update it for QAST later on.
Start translating a few lexicals bits to QAST.
Translate various fixup code.
Various Op and Var translations to try and get us towards compiling hello world.
Fix setting loading code.
do not die when assigning non-Str values to %*ENV<..> elements
use fully qualified names for Pod classes

that way the .perl output can be eval()ed again
PAST::Want -> QAST::Want in World.
Disable context saving for a bit (needs updating for QAST).
Updating various other PAST::Want usages to QAST::Want.
Update a bunch of PAST::Var lexical lookups to use QAST::Var.
Fix a get_slot_past_for_object leftover.
Start updating EXPR action method for QAST.
Disable whatever-currying code for now; will need quite some updating.